| 'use strict'; |
| |
| exports.type = 'perItem'; |
| |
| exports.active = true; |
| |
| exports.description = 'removes viewBox attribute when possible'; |
| |
| var viewBoxElems = ['svg', 'pattern', 'symbol']; |
| |
| /** |
| * Remove viewBox attr which coincides with a width/height box. |
| * |
| * @see http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute |
| * |
| * @example |
| * <svg width="100" height="50" viewBox="0 0 100 50"> |
| * ⬇ |
| * <svg width="100" height="50"> |
| * |
| * @param {Object} item current iteration item |
| * @return {Boolean} if false, item will be filtered out |
| * |
| * @author Kir Belevich |
| */ |
| exports.fn = function(item) { |
| |
| if ( |
| item.isElem(viewBoxElems) && |
| item.hasAttr('viewBox') && |
| item.hasAttr('width') && |
| item.hasAttr('height') |
| ) { |
| |
| var nums = item.attr('viewBox').value.split(/[ ,]+/g); |
| |
| if ( |
| nums[0] === '0' && |
| nums[1] === '0' && |
| item.attr('width').value.replace(/px$/, '') === nums[2] && // could use parseFloat too |
| item.attr('height').value.replace(/px$/, '') === nums[3] |
| ) { |
| item.removeAttr('viewBox'); |
| } |
| |
| } |
| |
| }; |